Search for 3- and 4-Body Decays of the Scalar Top Quark in $p\bar{p}$ Collisions at $\sqrt{s} = 1.8$ TeV - INSPIRE

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Search for 3- and 4-Body Decays of the Scalar Top Quark in $p\bar{p}$ Collisions at $\sqrt{s} = 1.8$ TeV

D0

Collaboration

•

V.M. Abazov

Oct, 2003

14 pages

Published in:

Phys.Lett.B 581 (2004) 147-155

DOI:

10.1016/j.physletb.2003.12.001

Report number:

FERMILAB-PUB-03-306-E

Experiments:

FNAL-E-0740

View in:

Nuclear Science References

reference search17 citations

Citations per year

Abstract: (Elsevier)

We have searched for the signature of 3- and 4-body decays of pair-produced scalar top quarks (stop) in the inclusive final state containing an electron, a muon, and significant missing transverse energy using a sample of p p ̄ events corresponding to 108.3 pb −1 of data collected with the DØ detector at Fermilab. The search is done in the framework of the minimal supersymmetric standard model assuming that the neutralino ( χ ̃ 0 1 ) is the lightest supersymmetric particle and is stable. No evidence for a signal is found and we derive cross-section upper limits as a function of stop ( t̃ ) and neutralino masses in different decay scenarios leading to the bℓν χ ̃ 0 1 final state.

D0
anti-p p: colliding beams
anti-p p: inclusive reaction
squark: search for
squark: top
squark: pair production
squark: decay modes
final state: (3particle)
final state: (4particle)
W: exchange

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